Base version of ncurses-5.7 library
diff --git a/ncurses/base/lib_mvwin.c b/ncurses/base/lib_mvwin.c
new file mode 100644
index 0000000..e4dad4a
--- /dev/null
+++ b/ncurses/base/lib_mvwin.c
@@ -0,0 +1,114 @@
+/****************************************************************************
+ * Copyright (c) 1998-2001,2006 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ ****************************************************************************/
+
+/*
+** lib_mvwin.c
+**
+** The routine mvwin().
+**
+*/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: lib_mvwin.c,v 1.14 2006/02/25 22:53:46 tom Exp $")
+
+NCURSES_EXPORT(int)
+mvwin(WINDOW *win, int by, int bx)
+{
+ T((T_CALLED("mvwin(%p,%d,%d)"), win, by, bx));
+
+ if (!win || (win->_flags & _ISPAD))
+ returnCode(ERR);
+
+ /*
+ * mvwin() should only modify the indices. See test/demo_menus.c and
+ * test/movewindow.c for examples.
+ */
+#if 0
+ /* Copying subwindows is allowed, but it is expensive... */
+ if (win->_flags & _SUBWIN) {
+ int err = ERR;
+ WINDOW *parent = win->_parent;
+ if (parent) { /* Now comes the complicated and costly part, you should really
+ * try to avoid to move subwindows. Because a subwindow shares
+ * the text buffers with its parent, one can't do a simple
+ * memmove of the text buffers. One has to create a copy, then
+ * to relocate the subwindow and then to do a copy.
+ */
+ if ((by - parent->_begy == win->_pary) &&
+ (bx - parent->_begx == win->_parx))
+ err = OK; /* we don't actually move */
+ else {
+ WINDOW *clone = dupwin(win);
+ if (clone) {
+ /* now we have the clone, so relocate win */
+
+ werase(win); /* Erase the original place */
+ /* fill with parents background */
+ wbkgrnd(win, CHREF(parent->_nc_bkgd));
+ wsyncup(win); /* Tell the parent(s) */
+
+ err = mvderwin(win,
+ by - parent->_begy,
+ bx - parent->_begx);
+ if (err != ERR) {
+ err = copywin(clone, win,
+ 0, 0, 0, 0, win->_maxy, win->_maxx, 0);
+ if (ERR != err)
+ wsyncup(win);
+ }
+ if (ERR == delwin(clone))
+ err = ERR;
+ }
+ }
+ }
+ returnCode(err);
+ }
+#endif
+
+ if (by + win->_maxy > screen_lines - 1
+ || bx + win->_maxx > screen_columns - 1
+ || by < 0
+ || bx < 0)
+ returnCode(ERR);
+
+ /*
+ * Whether or not the window is moved, touch the window's contents so
+ * that a following call to 'wrefresh()' will paint the window at the
+ * new location. This ensures that if the caller has refreshed another
+ * window at the same location, that this one will be displayed.
+ */
+ win->_begy = by;
+ win->_begx = bx;
+ returnCode(touchwin(win));
+}